* {
  margin: 0;
  padding: 0;
}
.clearfix:after {
  visibility: hidden;
  clear: both;
  display: block;
  content: ".";
  height: 0;
}
.clearfix {
  *zoom: 1;
}
.container {
  width: 1200px;
  margin: 0 auto;
}
body {
  background: #f3f5f7;
}
ul {
  list-style: none;
}
a {
  color: #333;
  text-decoration: none;
}
header {
  margin-top: 30px !important;
  margin-bottom: 30px !important;
}
header > img {
  float: left;
  margin-right: 70px;
}
header ul {
  float: left;
}
header ul li {
  float: left;
}
header ul li a {
  font-size: 18px;
  padding: 0 12px;
  line-height: 40px;
  display: block;
  margin-right: 28px;
}
header ul li a:hover {
  border-bottom: 2px solid #00a4ff;
}
header .search {
  float: left;
  margin-left: 70px;
}
header .search input {
  box-sizing: border-box;
  width: 360px;
  height: 40px;
  padding: 0 8px;
  float: left;
  border: 1px solid #00a4ff;
  outline: none;
}
header .search img {
  float: left;
  cursor: pointer;
}
header .user {
  float: right;
  font-size: 14px;
  color: #666;
  line-height: 42px;
  position: relative;
}
header .user img {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}
header .user span {
  margin-left: 35px;
}
.banner {
  background: #1c036c url(../images/banner2.jpg) no-repeat center;
  height: 420px;
}
.banner .sub_nav {
  float: left;
  box-sizing: border-box;
  height: 420px;
  width: 190px;
  background: rgba(0, 0, 0, 0.3);
  padding: 0 16px;
}
.banner .sub_nav li a {
  font-size: 14px;
  display: block;
  line-height: 45px;
  color: white;
}
.banner .sub_nav li a span {
  float: right;
}
.banner .sub_nav li a:hover {
  color: #00b4ff;
}
.banner .course {
  float: right;
  width: 230px;
  height: 300px;
  margin-top: 50px;
  background: white;
}
.banner .course .course_hd {
  line-height: 48px;
  text-align: center;
  color: white;
  background: #9bceea;
}
.banner .course .course_bd {
  padding: 10px 15px 0;
}
.banner .course .course_bd li {
  height: 50px;
  border-bottom: 1px solid #ccc;
  margin-top: 10px;
}
.banner .course .course_bd li h4 {
  font-size: 14px;
  color: #4e4e4e;
}
.banner .course .course_bd li div {
  font-size: 12px;
  color: #a5a5a5;
}
.banner .course .all {
  display: block;
  height: 38px;
  border: 1px solid #00a4ff;
  margin: 10px 14px;
  font-size: 16px;
  color: #00a4ff;
  text-align: center;
  line-height: 38px;
}
.goods {
  height: 60px;
  line-height: 60px;
  box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.3);
  margin-top: 10px;
  background-color: #fff;
}
.goods h3 {
  color: #00a4ff;
  margin: 0 34px;
  float: left;
  font-size: 16px;
}
.goods .goods-item {
  float: left;
  color: #ccc;
}
.goods .goods-item a {
  margin: 0 16px;
  font-size: 16px;
}
.goods .goods-item a:hover {
  color: #00b4ff;
}
.goods p {
  color: #00a4ff;
  margin: 0 34px;
  float: right;
  font-size: 14px;
}
.box {
  margin-top: 15px;
}
.box .box_hd {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
}
.box .box_hd h3 {
  font-size: 20px;
  color: #494949;
  font-weight: normal;
}
.box .box_hd a {
  font-size: 12px;
  color: #a5a5a5;
}
.box .box_bd {
  width: 1215px;
  perspective: 500px;
}
.box .box_bd li {
  float: left;
  width: 228px;
  background: white;
  box-shadow: 2px 2px 2px rgba(0 0 0 / 30%);
  margin: 0 15px 15px 0;
  padding-bottom: 20px;
  transition: transform 0.3s;
  position: relative;
}
.box .box_bd li img {
  width: 100%;
}
.box .box_bd li h4 {
  margin: 20px;
  font-size: 14px;
  color: #050505;
  font-weight: 400;
}
.box .box_bd li p {
  margin: 0 20px;
  font-size: 12px;
  color: #999;
}
.box .box_bd li p span {
  color: orange;
}
.box .box_bd li:hover {
  transform: translateZ(5px);
}
.box .box_bd li .hot {
  width: 40px;
  position: absolute;
  top: 0;
  right: -4px;
}
footer {
  background: white;
}
footer .footer {
  display: flex;
  justify-content: space-between;
  height: 385px;
  padding-top: 30px;
}
footer .footer .copyright p {
  font-size: 12px;
  color: #666;
  margin: 20px 0 15px 0;
}
footer .footer .copyright a {
  display: block;
  width: 118px;
  height: 34px;
  text-align: center;
  line-height: 34px;
  border: 1px solid #00a4ff;
  color: #00a4ff;
}
footer .footer .links {
  display: flex;
}
footer .footer .links dl {
  margin-left: 100px;
}
footer .footer .links dl dt {
  height: 35px;
  color: #333;
  font-size: 16px;
}
footer .footer .links dl a {
  font-size: 12px;
  color: #333;
}
footer .footer .links dl a:hover {
  color: #004aff;
}
div[class^=fixedbar] {
  width: 180px;
  height: 420px;
  position: fixed;
  top: 200px;
}
.fixedbar-left {
  left: 50%;
  margin-left: -800px;
  background-color: pink;
}
.fixedbar-right {
  right: 50%;
  margin-right: -800px;
  background-color: purple;
}
